GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Rank
#3
Up 16% week over week
Tokens
5.17T
2026-08-14
Requests
243.5M
243,462,676
Tool calls
-
Input / M
$0.10
Output / M
$0.60
Cache / M
$0.01
Context
1.1M
1,050,000 tokens